package exception;

public class TryCatchDemo {
    public static void main(String[] args) {
        System.out.println("程序开始了");
        try {
           // String line = "";
            String line = "null";
            System.out.println(line.length());
           return;
           // System.out.println(line.charAt(0));
          //  System.out.println(Integer.parseInt(line));
        }catch(Exception e){
            System.out.println("出错了");
        }
        finally {
            System.out.println("finally中的代码执行了");
        }
        System.out.println("程序结束了");

    }
}
